Black and white negative of drill bits form Hard Metals.

Black and white negative of drill bits form Hard Metals.

Black and white negative of [Hard Metals] building.

Black and white negative spares of the handing over of the key to the first factory in the service area.

Black and white negative of the handing over of the key to the first factory in the service area.

Black and white negative of Hamilton Factory.

Black and white negative of Hamilton Factory.

Black and white negative of Hamilton Factory.

Black and white negative of Hamilton Factory.

Black and white negative spares of Hamilton Factory.